Food preserver



FIG. 1 is a front top perspective view of a food preserver showing our new design;

FIG. 2 is a front bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the food preserver and forms no part of the claimed design. 

CLAIM The ornamental design for a food preserver, as shown and described. 